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Toxicity changes in pyrethroid residues from soil, silica gel and water.

Hasan, S. B. and Deo, P. G. and Majumder, S. K. (1984) Toxicity changes in pyrethroid residues from soil, silica gel and water. Journal of Food Science and Technology, 21. pp. 252-253.

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Toxicity of residues of synthetic pyrethroids (pennetbrin. cypermetbrin, decarnethrin and fenvalerate) both in aqueous solution and as deposits on solid surfaces like soil and silica gel to houseflies was studied after exposure to sunlight for 8 hr daily. The residues were extracted after liquid 4' days Intervals and their toxicity to houseflies was determined through topical application. Tbe persistent toxicity values indicated a fall in toxicity of all the four pyrethroids with time; fall in toxicity was maximum. with decametbrin and least with pennetbrin. In general, the persistence of pyrethroids was least in water and highest in soil.

Item Type: Article
Uncontrolled Keywords: residues toxicity, synthetic pyrethroids, solid surfaces
Subjects: 500 Natural Sciences and Mathematics > 04 Chemistry and Allied Sciences > 26 Pesticide Chemistry
600 Technology > 01 Medical sciences > 17 Toxicology
Divisions: Food Protectants and Infestation Control
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 22 Jun 2016 07:18
Last Modified: 22 Jun 2016 07:18
URI: http://ir.cftri.com/id/eprint/6117

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